The whole working process of the micro switch is: under the premise of no external force, the dynamic closing and dynamic disconnecting isolation switches are in a static state. When an external force releases the transmission rod, the bow spring causes deformation, storing mechanical kinetic energy, causing deflection. As a zero-boundary point of purchase, the spring leaf is connected to the dynamic disconnect switch, causing a momentary jump, which results in the connection of the switching power supply circuit. Switching or replacement. When the external force is eliminated, the spring sheet releases the mechanical kinetic energy and causes the opposite direction to deviate from another zero boundary point, and the isolating switch is automatically calibrated under the action of the spring sheet. Features of Micro Switches 1. Although the model and specification are small, the main switch of the power supply can switch a large amount of current. Normally, when an electronic circuit is closed, the contacts cause a flame known as arc. The more current, the easier it is to cause arcing. Changeover of contacts is relatively slow. The longer the electro-optical delay time, which is a factor in poor contact change. The snap-action organization of the micro switch can switch the contacts instantaneously, so the electro-optical delay time is short. Although the size of the model is small, it can be used in circuits with particularly high currents. 2. Precision machining Even if the micro switch is continuously turned on/off during the operation, the contacts can basically be changed in the same part, so the position detection deviation is small, and the specified precision machining application field can be used. This is also the unique advantage of the micro switch with a snap-action organization. 3. Performance parameters Due to the short arc delay time, the contact damage is relatively small, and the performance parameters are improved. 4. Feel and sound The snap-action mechanism has an unusual touch and sound during operation, so the operation process can be clearly defined according to the feel and the software of the auditory system. Features of size micro switch 1. Pocket size. Lightweight. Precision machining. 2. M3 mm type that can be used with utility screws. 3. Select the structure of forming terminal block and standard distance, so that tin wire and flux cannot penetrate into the internal structure of the main power switch. 4. It is also necessary to use the low-power power circuit type (au cable sheath point contact) that can be loaded with micro current intensity. 5. Independent terminal block, which is conducive to assembling on the packaging printed board. Compared with 1, the main body of the main power switch is independent of the 1.2~1.6mm packaging printed board. 6. It is also necessary to package the right corner terminal block and left corner terminal series products of the printed board. 7. Comply with rohs directive. What is the difference between a tact switch and a micro switch? The general touch method of the tact switch is the click type, the connection is disconnected instantly, and the effect is relatively simple. Generally suitable for single switch and off of micro-electric products (click the connection to release and disconnect). The function of the micro switch is more diverse, it can be switched into a circuit, it can be switched frequently, and it can also be used as the main switch for testing the power supply.
Post time: Jul-08-2022